证明的目的是理解，而不仅仅是验证。
The aim of proof is to understand, not just to verify.
当你想要放弃的时候，想想你当初为什么坚持了这么久。
You can't start the next chapter of your life if you keep re-reading the last one.
创新是企业的灵魂，没有创新就没有未来。
The monument is a fixed point in the changing city.
英雄是懂得责任与自由同在的人。
译文：读书人本来就不是大富大贵的命，得意时也不必炫耀锦衣玉食。
The only way to discover the limits of the possible is to go beyond them into the impossible.
